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MINERvA · 2013

Measurement of Muon Neutrino Quasielastic Scattering on a Hydrocarbon Target at Eν∼3.5E_\nu \sim 3.5 GeV

Phys.Rev.Lett. 111 022502 · 10.1103/PhysRevLett.111.022502

arXiv:1305.2243JournalINSPIREAll papers

Measurements

CurrentFlavorTargetTopologyTypeObservablesEnergy
CCνμCHCCQEsingle-diffdifferential cross section vs Q2focus on low recoil energy

Abstract

We report a study of muon neutrino charged-current quasi-elastic events in the segmented scintillator inner tracker of the MINERvA experiment running in the NuMI neutrino beam at Fermilab. The events were selected by requiring a μ⁻ and low calorimetric recoil energy separated from the interaction vertex. We measure the flux-averaged differential cross-section, dσ/dQ², and study the low energy particle content of the final state. Deviations are found between the measured dσ/dQ² and the expectations of a model of independent nucleons in a relativistic Fermi gas. We also observe an excess of energy near the vertex consistent with multiple protons in the final state.

Citation

@article{MINERvA:2013kdn,
    author = "Fiorentini, G. A. and others",
    collaboration = "MINERvA",
    title = "{Measurement of Muon Neutrino Quasielastic Scattering on a Hydrocarbon  Target at $E_\nu \sim 3.5$ GeV}",
    eprint = "1305.2243",
    archivePrefix = "arXiv",
    primaryClass = "hep-ex",
    reportNumber = "FERMILAB-PUB-13-146-E",
    doi = "10.1103/PhysRevLett.111.022502",
    journal = "Phys. Rev. Lett.",
    volume = "111",
    pages = "022502",
    year = "2013"
}